<template>
  <div class="login-page">
    <van-nav-bar
        title="登录页"/>
    <van-form @submit="onSubmit">
        <van-field
          v-model="username"
          name="username"
          label="用户名"
          placeholder="用户名"
          :rules="[
            { required: true, message: '请填写用户名' },
            { pattern: /^\w{5,}$/, message: '用户名至少5位' },
            ]"
        />
        <van-field
          v-model="password"
          type="password"
          name="password"
          label="密码"
          placeholder="密码"
          :rules="[
            { required: true, message: '请填写密码' },
            { pattern: /^\w{6,}$/, message: '密码至少6个字符' },
            ]"
        />
      <div style="margin: 16px;">
        <van-button  block type="info" native-type="submit">登录</van-button>
      </div>
  </van-form>
  <router-link to="/register" class="link">还没账号? 去注册</router-link>
  </div>
</template>

<script>
import { login } from '@/api/user'
import { setToken } from '@/utils/localStorage'
export default {
  name: 'LoginPage',
  data () {
    return {
      username: '',
      password: ''
    }
  },
  methods: {
    async onSubmit (values) {
      const { data } = await login(values)
      setToken(data.token)
      this.$toast.success('登录成功')
      this.$router.push('/')
    }
  },

  mounted () {
    this.username = this.$route.query.username
  }
}
</script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>
